7.—(1) A provision in a contract of employment (whether made or entered into before or after the commencement of this section) is void in so far as it purports to exclude or limit the operation of any provision of this Act.

(2) A contract or agreement or an enactment in force immediately before the commencement of this section that provides for the entitlement to pay for an employee less favourable than that to be provided in accordance with this Act is hereby modified to the extent necessary to provide that the employee’s entitlement after the commencement of this section shall be not less favourable than that to be provided in accordance with this Act.

(3) Nothing in this section shall prevent the inclusion in a contract of employment of a provision more favourable to an employee than an entitlement in accordance with this Act.